CN104619967B - Engine with booster - Google Patents
Engine with booster Download PDFInfo
- Publication number
- CN104619967B CN104619967B CN201380046307.9A CN201380046307A CN104619967B CN 104619967 B CN104619967 B CN 104619967B CN 201380046307 A CN201380046307 A CN 201380046307A CN 104619967 B CN104619967 B CN 104619967B
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- China
- Prior art keywords
- mentioned
- booster
- engine
- gear
- rotary shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/04—Mechanical drives; Variable-gear-ratio drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/32—Engines with pumps other than of reciprocating-piston type
- F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
- F02B33/40—Engines with pumps other than of reciprocating-piston type with rotary pumps of non-positive-displacement type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
- F02N15/023—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the overrunning type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/10—Safety devices not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/22—Compensation of inertia forces
- F16F15/26—Compensation of inertia forces of crankshaft systems using solid masses, other than the ordinary pistons, moving with the system, i.e. masses connected through a kinematic mechanism or gear system
- F16F15/264—Rotating balancer shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0011—Balancing, e.g. counterbalancing to produce static balance
Abstract
The present invention provides a kind of engine (E) with booster, the cylinder block (46) of the crankcase (40) for possessing the bent axle (39) that supporting extends along overall width direction and the top for being configured at crankcase (40).Booster (62) is configured at the top of crankcase (40) and is the rear of cylinder block (46), is driven by the power of bent axle (39).The power of bent axle (39) is transmitted by the way that counter gear (84) is supported for the jackshaft (78) that can be rotated towards booster (62).Jackshaft (78) is extended parallel to bent axle (39), and being arranged on the jackshaft (78) on overall width direction has starter gear (86).Jackshaft (78) is configured at more more rearward than bent axle (39), and booster (62) is configured at more more rearward than jackshaft (78).In the starter motor (90) that is configured with starter gear (86) engages more closer to the front than booster (62).
Description
Association request：The application advocates the priority for the Japanese Patent Application 2012-201407 that September in 2012 is submitted on the 13rd, its
The part of the application is cited as entirely through reference.
Technical field
The present invention relates to a kind of engine with booster, vehicle is equipped on, being provided with court has along the extension of overall width direction
Axis of rotation engine force feed air inlet booster.
Background technology
In the engine for being equipped on vehicle as automotive bicycle, there is the engine for being provided with booster, the increasing
Depressor is by the power drive from engine rotary shaft, towards engine force feed air inlet (for example, patent document 1).Increased by setting
Depressor and intake efficiency is uprised, therefore engine output improve.In Fig. 1 of patent document 1 booster, via being arranged at
The idler gear of the pony axle linkedly rotated with engine rotary shaft, the drive shaft towards booster transmits power.
Prior art literature
Patent document
Patent document 1：International Publication 2011/046096
The content of the invention
The invention problem to be solved
On the other hand, in the engine of automotive bicycle, in limited space, in addition to booster, also configure
There is gear as balance gear, starter driving gear, therefore, to assure that the configuration space of these parts.In patent document 1
In (its Fig. 5), on pony axle, in addition to idler gear, starter driving gear is additionally provided with, number of components is realized
Reduction, space saving.But, in patent document 1, booster is with starter drive motor in the hair extended along overall width direction
It is arranged in the axial direction of motivation rotary shaft, therefore the overall width direction of engine becomes large-sized.
The present invention be in view of above-mentioned problem and complete, can its object is to provide a kind of engine with booster
The reduction of number of components is realized, and the size in the overall width direction of engine can be suppressed.
Means for solving the problems
To achieve these goals, the engine of the invention with booster is to be equipped on vehicle, and is provided with towards having
The booster of the engine force feed air inlet of the axis of rotation extended along overall width direction, the engine with booster possesses：Bent axle
Case, supporting engine rotary shaft；Cylinder block, is configured at the top of above-mentioned crankcase；Idler gear, by above-mentioned engine rotary shaft
Power transmitted towards above-mentioned booster；And pony axle, by the supporting of above-mentioned idler gear for that can rotate, it is configured at than above-mentioned hair
Motivation rotary shaft is more rearward, is extended parallel to above-mentioned engine rotary shaft；Above-mentioned pressure booster distribution is placed in above-mentioned crankcase
Top and be above-mentioned cylinder block rear, by the power drive of above-mentioned engine rotary shaft, in overall width side on above-mentioned pony axle
Be arranged other gears having beyond above-mentioned idler gear upwards, and above-mentioned pressure booster distribution is placed in than above-mentioned pony axle more posteriorly
Side, in the part that is configured with above-mentioned other gears engages more closer to the front than above-mentioned booster.Other teeth beyond idler gear
The gear of the wheel e.g. gear of balancer or starter.Herein, as long as idler gear is can by idle running e axle supporting
Rotation, includes pair of situation about integratedly being rotated with pony axle and situation about being rotated against relative to pony axle
Side.
According to this composition, be arranged other gears having beyond idler gear on pony axle on overall width direction, because
This can cut down number of components.Also, pressure booster distribution is placed in part configuration more more rearward than pony axle, to be engaged with other gears
In more closer to the front than booster, therefore, it is possible to configuration in the clearance spaces of the fore-and-aft direction between booster and pony axle and its
The part of his gear engagement.As a result, it is possible to suppress becoming large-sized for the overall width direction of engine.
In the present invention, it is preferred to other above-mentioned gear arrangements in than above-mentioned idler gear more by the inside of overall width direction.According to
This composition, tearing open for booster is carried out because idler gear is on the outside of overall width direction, therefore in the access on the outside of overall width direction
During dress, other gears, which will not turn into, to be hindered, and can easily dismount booster.
In the present invention, it is preferred to be also equipped with booster speed changer, the booster speed changer rotates to above-mentioned engine
The power of axle carries out speed change and towards the transmission of above-mentioned booster, above-mentioned booster has the rotation to above-mentioned idler gear with speed changer
The rotary shaft of the output gear for carrying out speed change and exporting, above-mentioned idler gear and above-mentioned output gear rotates with above-mentioned engine
Axle is extended parallel to, the rotary shaft of the rotary shaft of above-mentioned booster and the output gear of above-mentioned booster speed changer with it is above-mentioned
It is arranged on the orthogonal above-below direction in overall width direction, and the above-mentioned engine with booster is also equipped with carrier, the transmission
Rotary shaft of the body from the rotary shaft of the output gear of above-mentioned booster speed changer towards above-mentioned booster transmits power.According to the structure
Into because the rotary shaft of booster and the rotary shaft of the output gear of booster speed changer are above and below orthogonal with overall width direction
It is arranged on direction, therefore compared with situation about arranging in the lateral direction, becoming large-sized for overall width direction can be suppressed.
In the present invention, it is preferred to which above-mentioned pressure booster distribution is placed in the top at the rear portion of above-mentioned crankcase, in the longitudinal direction
Inlet plenum is configured between the air inlet of the outlet of above-mentioned booster and above-mentioned engine.According to this composition, by that will be pressurized
Device is configured at the top at the rear portion of crankcase, thus the fore-and-aft direction between the outlet of booster and the air inlet of engine away from
From elongated.As a result, it is possible to increase the fore-and-aft direction size of inlet plenum, the above-below direction size of inlet plenum can not be increased and increased
Air inlet chamber vol.In addition, the above-below direction size by suppressing inlet plenum, can easily configure the portion being connected with other gears
Part.
At least two any combination constituted disclosed in request scope and/or specification and/or accompanying drawing
It is contained in the present invention.Especially, more than two any combination of each claims of request scope are also contained in the present invention.
Brief description of the drawings
According to the explanation for the following preferred embodiment that with reference to accompanying drawing, the present invention can be more clearly understood from.But
It is that embodiment and accompanying drawing are only used for illustrating and illustrated, should not be used for determining the scope of the present invention.The model of the present invention
Enclose and determined by additional request scope.In the accompanying drawings, the same parts label in multiple accompanying drawings represents portion identically or comparably
Point.
Fig. 1 is the left side for representing to be equipped with the automotive bicycle of the engine with booster of the first embodiment of the present invention
View.
Fig. 2 is represented the top view of the state of the anterior a part of part dismounting of the automotive bicycle.
Fig. 3 is the right view for representing the engine.
Fig. 4 is the right view for representing to have dismantled the engine of the state of clutch case from Fig. 3.
Fig. 5 is the axle configuration diagram of the drive system for the booster for representing the engine.
Fig. 6 is the stereogram for the axle configuration for representing the engine.
Fig. 7 is the axle configuration diagram for the traveling decelerator for representing the engine.
Fig. 8 is the right view for the axle configuration for representing the engine.
Fig. 9 is the horizontal sectional view for representing the booster.
Figure 10 is the horizontal sectional view for other speed changers for representing the engine with booster.
Embodiment
Hereinafter, the preferred embodiment of the present invention is illustrated referring to the drawings.In this manual, " left side " and
" right side " refers to the left and right sides from by bus in the driver on vehicle.
Fig. 1 is the side view of the automotive bicycle for the engine with booster for being equipped with an embodiment of the invention
Figure.The body shell FR of the automotive bicycle has：Form the main frame 1 of first half；Be installed on the main frame 1 rear portion and shape
Into body shell FR latter half of seat track 2 and reinforcement track 2a.It is being integrally formed at the head tube 4 of the front end of main frame 1
On, rotating freely ground axle suspension via steering spindle (not shown) has front fork 8.Front-wheel 10 is installed on the front fork 8.That is, head tube 4
Worked as handle post, a body shell FR part is that main frame 1 extends from head tube 4 towards vehicle body rear.In front fork 8
Upper end is fixed with the handle 6 in operation direction.
On the other hand, it is that the rearward end of main frame 1 is provided with rocker arm support 12 in body shell FR central lower.At this
E axle supporting has rocking arm 20 in the way of swinging up and down freely on rocker arm support 12, in the rearward end of the rocking arm 20 to be revolved around pivot 23
The mode turned freely is supported with trailing wheel 22.
Central lower in the body shell FR and installed in front in rocker arm support 12 has engine E.Engine E rotation
After by traveling with the speed change of reducing gear 21, transmission mechanism 24 is transmitted as towards chain, is driven via the transmission mechanism 24
Dynamic trailing wheel 22.Engine E is, for example, the multicylinder engine arranged side by side of four cylinder four-stroke.But, engine E form is not limited to
This.It is present that rear portion buffer gear 25 is linked between track 2 and rocking arm 20.25 pairs of rear portion buffer gear puts on trailing wheel 22 and seat
Load between track 2 enters row buffering.
Fuel tank 28 is configured with the top of main frame 1, operator is supported with seat 30 and passenger on present track 2
With seat 32.In addition, being equipped with part of the covering from the front of above-mentioned head tube 4 untill the side of body forward structure in body forward structure
The resinous front panel 34 of (anterior top half).Headlamp 36 is equipped with front panel 34.In the headlamp
The air taking mouth 38 formed below being taken into from outside towards engine E air inlet of unit 36.
Engine E has：The engine rotary shaft 39 extended along overall width direction；The bent axle of supporting engine rotary shaft 39
Case 40；The cylinder block 42 protruded upward from crankcase 40；The cylinder head 44 of the top of cylinder block 42；And it is arranged at crankcase
The oil sump 50 of 40 lower section.The rear portion of crankcase 40 and the transmission case to store above-mentioned traveling reducing gear 21.Cylinder
Lid 44 leans forward some, and four blast pipes 54 are connected with the exhaust outlet before cylinder head 44.Four blast pipes 54 are in engine
Collect below E, and be connected with the exhaust silencer 56 for being configured at the right side of trailing wheel 22.
It is configured with the rear of cylinder block 42 and above crankcase 40 booster 62.62 pairs of booster comes from air filter
The clean air of clear device 55 is pressurizeed and supplied towards engine E.Air cleaner 55 is configured at body forward structure, to extraneous gas
Purified.Booster 62 has the booster rotary shaft 64 extended along overall width direction the, (figure of suction inlet 66 towards left opening
And upwardly opening outlet 68 2).Suction inlet 66 (Fig. 2) is located at the top of crankcase 40 and is engine E width side
To central portion.Central part of the outlet 68 in engine E overall width direction is more leaned in the axle center 64C than booster rotary shaft
Rear.The suction inlet 66 of booster 62 is configured at the left surface than engine E more by the inside of overall width direction.On the suction inlet 66
The air inlet pipe 70 that extraneous gas is imported to booster 62 is connected with the outside of from overall width direction.
Fig. 3 is engine E right view, and Fig. 4 represents to have dismantled the state of clutch case 17 from Fig. 3.As shown in figure 4, bent
Axle box 40 has bent axle box main body 41 and the holding of bent axle box main body 41 is installed on by multiple disassembly eases of bolt 103
Device 43.The a side i.e. open opening 41h in right side towards overall width direction is formed with bent axle box main body 41.Retainer 43 is from right side
Cover opening 41h at least a portion.
Retainer 43 is used for the right side for supporting traveling reducing gear input shaft 15, jackshaft 78 and booster drive shaft 82
End, its details will be aftermentioned.The opening 41h of bent axle box main body 41 is installed on Fig. 3 bent axle box main body by disassembly ease
41 clutch case 17 is blocked.
Fig. 4 retainer 43 and the part for so-called boxlike variable speed structure.Retainer 43 is formed as, and will can travel
With reducing gear input shaft 15, traveling reducing gear output shaft 19 and shifter (not shown) integratedly towards chain 24
The opposite side (right side) of (Fig. 1) is pulled out.That is, retainer 43 is configured at the opposite side i.e. right side of chain 24 (Fig. 1).
As shown in figure 1, above-mentioned air inlet pipe 70 is configured at an engine E side i.e. left side side, the punching press with upstream side
Pipe unit 51 and the suction pipe portion 53 in downstream.Punching press pipe unit 51 is so that front opening 51a is towards above-mentioned front panel 34
The configuration of air taking mouth 38 is supported on head tube 4, the air imported from front opening 51a is boosted by punching press effect.In punching
The rearward end 51b of pressure pipe unit 51 is connected with the leading section 53a of suction pipe portion 53.
As shown in Fig. 2 the rearward end 53b of suction pipe portion 53 is connected with the suction inlet 66 of booster 62.In addition, in impact tube
The fore-and-aft direction center section of unit 51 is built-in with above-mentioned air cleaner 55.Also, in the downstream end shape of suction pipe portion 53
Into there is air accumulation unit 57.The flow path area in air-accumulating portion 57 is set the stream of the other parts more than suction pipe portion 53
Accumulate on road surface.The air-accumulating portion 57 is located at the rear of cylinder block 42, and booster 62 is connected with the outlet in the air-accumulating portion 57
Suction inlet 66.
Inlet plenum 74 is configured between outlet 68 in the longitudinal direction and engine E four air inlets 47 (Fig. 1).
Inlet plenum 74 forms a part for the air flue from the outlet 68 of booster 62 towards cylinder head 44.Inlet plenum 74 have time
And the width dimensions of the substantially total length in engine E overall width direction, as shown in figure 1, inlet plenum 74 is configured at the upper of booster 62
Side and be cylinder block 42 rear.
Tb 76 is configured between inlet plenum 74 and cylinder head 44.In the tb 76, towards suction
Spray fuel in air and generate gaseous mixture, the combustion chamber in four cylinder barrels of the gaseous mixture from each air inlet 47 towards engine E
Supply (not shown).Above-mentioned fuel tank 28 is configured with the top of the inlet plenum 74 and tb 76.
As shown in Fig. 2 above-mentioned booster 62 has：Towards the force feed portion 61 of engine E force feed air inlets；And engine is revolved
The speedup portion 63 that the rotary speed of rotating shaft 39 carries out speedup and transmitted towards force feed portion 61.The force feed portion 61 and speedup portion 63 are received
Booster shell 67 is contained in, engine E crankcase 40 is installed on to the bottom disassembly ease of booster shell 67.
Force feed portion 61 is arranged with speedup portion 63 on overall width direction, and speedup portion 63 is configured at than overall width direction center more
By a side in overall width direction, in the present embodiment, configuration is offset to the side towards the right side for being configured with cam chain 69.Thereby, it is possible to incite somebody to action
The inner side in overall width direction is more leaned in the two sides that booster 62 is accommodated in than engine, and can be by the row in the force feed portion 61 in left side
Outlet 68 is configured at vehicle body immediate vicinity.Booster shell 67 is installed on crankcase by fastening part material (not shown) as bolt
40 upper surface.
As shown in figure 5, the rotary shaft in engine E is on bent axle 39, to be provided with the crankshaft toothed wheel 80 for driving jackshaft 78.
Jackshaft 78 has the axle center 78C parallel with the axle center 39C of bent axle 39.In addition, relative to jackshaft 78 as bent axle 39
The rear of opposite side and up it is configured with booster drive shaft 82.Booster drive shaft 82 also has the axle parallel with bent axle 39
Heart 82C.Jackshaft 78 is configured at position more more rearward than bent axle 39 and closer to the top, is worked as pony axle.With bent axle
The drive gear 84 that 39 crankshaft toothed wheel 80 is engaged, spline is embedded in jackshaft 78 in the way of rotating integrally.Starter gear
86 are rotated against and are supported on jackshaft 78 freely, and one-way clutch is clamped between drive gear 84 and starter gear 86
85。
Specifically, starter gear 86 and drive gear 84 are adjacently configured at jackshaft 78 in the axial direction.Start
Machine gear 86 has the through hole 86a of insertion vertically, by the way that jackshaft 78 is inserted through into through hole 86a, thus starter tooth
Wheel 86 is rotated against is supported on jackshaft 78 freely.Pass through starter gear 86 and drive gear via one-way clutch 85
84 engagements, the thus rotation of starter gear 86 is transmitted towards drive gear 84, and prevents the rotation court from drive gear 84 from rising
Motivation gear 86 is transmitted.
Jackshaft 78 and booster drive shaft 82 are first end 78a, the 82a on right side in the side side of overall width direction one respectively
With the opposing party side be left side the second end 78b, 82b by two supports.Specifically, jackshaft 78 and booster drive shaft
82 first end 78a, 82a, is rotatably freely supported on formed on above-mentioned retainer 43 via bearing 35,37 respectively
One bearing portion 43a, 43b.The second end 78b, 82b are rotatably freely supported in crankcase 40 via bearing 45,49 respectively
Second bearing portion 41a, the 41b formed on the side wall of bent axle box main body 41.
As shown in fig. 6, above-mentioned traveling reducing gear 21 has the traveling extended along overall width direction defeated with reducing gear
Enter axle 15 and traveling reducing gear output shaft 19.As shown in fig. 7, traveling with reducing gear input shaft 15 right side one end
Portion 15a vicinity and the other end 15b in left side are rotatably supported by bearing 11.In traveling reducing gear input shaft
15 one end 15a is equipped with clutch 13.The 3rd bearing portion 43c supporting travelings formed on Fig. 4 retainer 43 are slowed down
The one end 15a of mechanism input shaft 15.The fourth bearing portion 41c supportings formed on the side wall of the bent axle box main body 41 of crankcase 40
The other end 15b of traveling reducing gear input shaft 15.
As shown in fig. 6, being configured with the first balance with the front of the bent axle 39 of the opposite side of jackshaft 78 clipping bent axle 39
Axle 72.The first balance gear 73 engaged with crankshaft toothed wheel 80 is provided with first balance shaft 72.In addition, in jackshaft 78
Top and be configured with secondary balance shaft 77 at the rear of bent axle 39.It is provided with the secondary balance shaft 77 and drive gear 84
Second balance gear 79 of engagement.Each balance gear 73,79 integratedly rotates with corresponding balance shaft 72,77.
By the first and second balance gear 73,79 of this two axle, engine E vibration can be suppressed.In addition, by
This can obtain the driving power of booster 62 from the crankshaft toothed wheel 80 engaged with the first balance gear 73, therefore without separately setting
Put gear, can suppression component quantity, and booster 62 can be suppressed compared with the situation of power is obtained from balance gear
Rotation changes.
On the starter gear 86 shown in Fig. 5 starter motor 90 is connected with via torque limiter 88.Thus, when
When starter motor 90 rotates in the state of engine E stops, starting torque is transmitted towards bent axle 39 via one-way clutch 85.This
Outside, when the rotary speed of bent axle 39 after the starting in engine E becomes faster than starter motor 90, one-way clutch 85 is cut off
Connection and prevent from bent axle 39 towards the power of starter motor 90 transmit.The one-way clutch 85, torque limiter 88, starting
Machine gear 86 is configured at than drive gear 84 more by overall width direction inner side i.e. left side.Starter motor 90 is configured at booster 62
Left side side.
Torque limiter 88 is clipped between the output shaft 90a of starter motor 90 and starter gear 86, when transmission is turned round
When square turns into the regulation above, the connection between the output shaft 90a and starter gear 86 of starter motor 90 is cut off.Thus, exist
In the case of producing the phenomenon that engine is reversely rotated when impact type is started, the rotation of crankshaft toothed wheel 80 can be prevented towards starter
Motor 90 is transmitted.
Starter gear 86 has the input for receiving the power from torque limiter 88 with gear 86b and to unidirectional
Clutch 85 assigns the output gear 86c of power.The output of starter gear 86 is configured at gear 86c compares one-way clutch
85 more lean on the radially inner side of drive gear 84.In addition, as shown in fig. 6, starter gear 86, torque limiter 88, starter horse
Up to the 90 opposite sides (left side) that described later first and second stud gear 92,94 are configured at across drive gear 84.
On Fig. 5 jackshaft 78, the first stud gear 92 of path and big footpath are fixed with by integrally formed
Second stud gear 94.First and second stud gear 92,94 be configured at than drive gear 84 more by the outside of overall width direction.
In present embodiment, change-speed gearing is two, but it is also possible to be more than three.Big footpath is provided with booster drive shaft 82
4th change-speed gearing 98 of the 3rd change-speed gearing 96 and path.3rd change-speed gearing 96 and the 4th change-speed gearing 98 with it is above-mentioned
First and second stud gear 92,94 engage respectively.3rd and the 4th change-speed gearing 96,98 is not to rotate against freely but not
Booster drive shaft 82 can be assemblied in towards the mode of axially opposing movement.In other words, the speed change of first stud gear 92 and the 3rd
Gear 96 constitutes pitch wheel pair, and the change-speed gearing 98 of second stud gear 94 and the 4th constitutes pitch wheel
It is right.
The different first stud gear 92 of diameter is different from the number of teeth of second stud gear 94, therefore is engaged respectively with them
The mutual rotary speed of the 3rd and the 4th change-speed gearing 96,98 it is different.In the present embodiment, second stud gear 94 compares
First stud gear 92 is big footpath, therefore the rotary speed of the 4th change-speed gearing 98 is fast more than the rotation of the 3rd change-speed gearing 96
Degree.Gearshift ring 105 described later and either one of the 3rd change-speed gearing 96 and the 4th change-speed gearing 98 are optionally chimeric, thus pass through
By any one change-speed gearing 96,98 power from bent axle 39 is transmitted towards booster drive shaft 82.In addition, by making gearshift ring
105, from the chimeric releasing with two change-speed gearings 96,98, thus release power delivery status.
The jackshaft 78, the change-speed gearing 92,94,96,98 of booster drive shaft the 82, first~the 4th, composition will be from songs
The Poewr transmission mechanism 99 that the power of axle 39 is transmitted towards booster 62.In the present embodiment, Poewr transmission mechanism 99 is used as and removed
The booster speed changer 99 of speed change of the power enter outside the switching of the presence or absence of action edge transmission, also carried out bent axle 39 is acted as
With.
In addition, Fig. 5 first and second stud gear 92,94, song is transfused to as in booster speed changer 99
The input rotary body of the power of axle 39 works.3rd and the 4th change-speed gearing 96,98 inputs rotary bodies as by these
The output rotary body that rotation carries out speed change and exported works.Also, jackshaft 78, booster drive shaft 82 constitute booster and used
The power transmission shaft unit of speed changer (Poewr transmission mechanism) 99.The jackshaft 78 for being provided with input rotary body 92,94 is used as the
One rotary shaft is that input shaft works.Be provided with output rotary body 96,98 booster drive shaft 82 as the second rotary shaft i.e.
Output shaft works.As described above, with the input shaft of speed changer 99 being on jackshaft 78, in overall width direction inboard row in booster
Row are fixed with drive gear 84, speed change with the i.e. above-mentioned starter gear 86 of the gear beyond gear 92,94.
As shown in fig. 6, being configured with booster 62 more more rearward than jackshaft 78.In, warp more closer to the front than booster 62
The part engaged with starter gear 86 i.e. starter motor 90 is configured with by torque limiter 88.Jackshaft 78 is configured at bent axle
39 rear, booster drive shaft 82 is configured at the rear oblique upper of jackshaft 78.It is oblique at the rear of booster drive shaft 82
Top is configured with input shaft 65.Input shaft 65 links with booster rotary shaft 64 (Fig. 5).Booster rotary shaft 64 (Fig. 5) with it is defeated
Enter axle 65 concentric.The torque limiter 88 linked, which is rotated, with jackshaft 78 is configured at jackshaft 78 and booster drive shaft 82
Top.
Fig. 5 booster is that booster drive shaft 82 has protuberance 59 with the output shaft of speed changer 99, in above-mentioned holding
Device 43 is installed in the state of bent axle box main body 41, and the protuberance 59 is protruded from retainer 43 towards right side.On the protuberance 59
Sprocket wheel 100 as rotary body is fixed with by bolt 101.Engaging has the endless drive portion as chain on sprocket wheel 100
The power carrier 102 that material is constituted.
As shown in fig. 6, being used as the 3rd and the 4th change-speed gearing 96,98 and booster rotary shaft 64 of output rotary body
Input shaft 65 is separated and configured in parallel to each other.Via power carrier 102 booster drive shaft 82 is transmitted towards input shaft 65
The revolving force of revolving force, i.e. bent axle 39.By setting power carrier 102, rotary body 96,98 and input shaft 65 are thus exported
Layout freedom is improved.In the present embodiment, chain 102 is used as power carrier, but is not limited to this, for example
It can be gear.
Chain 102 shown in Fig. 5 is configured at the i.e. right side, therefore energy in overall width side in opposite direction of the suction inlet 66 of booster 62
The interference for enough preventing chain 102 and being connected between the air inlet pipe 70 of suction inlet 66.In the present embodiment, jackshaft 78 is with increasing
Depressor drive shaft 82 directly links, but it is also possible to link indirectly via idler gear etc..The details of booster 62 is by after
State.
Gearshift is configured between the 3rd change-speed gearing 96 and the 4th change-speed gearing 98 in booster drive shaft 82
104.Gearshift 104 has：Gearshift ring 105；The selector fork 106 operated to the gearshift ring 105；And dial gear shift
The gear shift drum 108 that fork 106 is moved parallel to booster drive shaft 82.The gearshift spline of ring 105 is embedded in booster drive shaft
82, it can not rotate against but be axially moveable freely thus relative to booster drive shaft 82.
Gear shift drum 108 is axially moveable selector fork 106 by the rotation driving of gearshift drive member 110, makes
It is arranged at the one of claw 96a, the 98a of the connecting hole 105a of gearshift ring 105 with being arranged at the 3rd and the 4th change-speed gearing 96,98
Side optionally engages.Thus, gearshift ring 105 optionally engages with a side of the 3rd and the 4th change-speed gearing 96,98 is
It can not rotate against.
That is, claw 96a, 98a is supported on the booster drive shaft 82 being located at than jackshaft 78 closer to gear shift drum 108,
The connection status for transmitting the rotation of gear mesh towards booster 62 can selectively be switched and cutting for the engagement of gear mesh is released
Disconnected state.In this way, the selection union body that gearshift ring 105 and claw 96a, 98a alternatively switch to property multiple gear mesh rises
Effect.The gearshift ring 105, selector fork 106, gear shift drum 108, gearshift drive member 110, claw 96a, 98a are constituted
A part for above-mentioned booster speed changer 99.
Gearshift drive member 110 is configured at the right-hand end with the opposite side of starter motor 90.Thereby, it is possible to not with rising
Motivation motor 90, starter gear 86 etc. are interferingly relative to vehicle body dismounting gearshift drive member 110.Therefore, it is possible to
Gearshift drive member 110 is dismantled and in the state of reducing resistance, gearshift ring 105 is positioned at defined position.
After so being positioned, gearshift drive member 110 is connected with gear shift drum 108, thus, it is possible to easily carry out
Upkeep operation.
As shown in figure 4, booster 62 and booster speed changer 99, in the orthogonal direction orthogonal with overall width direction, in this reality
Apply in mode and be arranged on fore-and-aft direction and above-below direction.Specifically, as shown in Fig. 2 in booster speed changer 99
Gear shift drum 108 and the rear of gearshift drive member 110 be configured with booster 62.
The gear shift drum 108 and gearshift drive member 110 of booster speed changer 99 shown in Fig. 5, than in vehicle body
The heart offsets to the side configuration more towards a side side in overall width direction, specifically towards the right side.Claw 96a, 98a and selector fork 106
Either one of jackshaft 78 and booster drive shaft 82 can be arranged at, but as in the present embodiment, by being arranged at increasing
Depressor is booster drive shaft 82 with the output shaft of speed changer 99, thus with can shorten compared with being arranged at the situation of jackshaft 78
Selector fork 106.
Via selected change-speed gearing 96,98 power is transmitted from jackshaft 78 towards booster drive shaft 82.That is, in gearshift
When ring 105 and the link of the claw of the 3rd change-speed gearing 96, the rotation of the rotation of jackshaft 78, i.e. bent axle 39 is with larger speed increasing ratio
Transmitted towards booster drive shaft 82.On the other hand, when selector fork 106 and the claw of the 4th change-speed gearing 98 link, jackshaft
78 rotation is transmitted with less speed increasing ratio towards booster drive shaft 82.
Thus, the rotary power of bent axle 39 via selected change-speed gearing 96,98 from jackshaft 78 towards booster 62
Booster drive shaft 82 is transmitted.In this way, by transmitting power from crankshaft toothed wheel 80, thus with the feelings from balance gear transmission power
Condition is compared, and can prevent the rotation of booster 62 from changing.Gearshift drive member 110 is for example with according to controller of vehicle
Instruction come the servo motor that is acted.But, gearshift drive member 110 is not limited to this, for example, can also lead to
Cross and manually operated assign power.
Fig. 8 is the right view for the configuration for representing each axle.In the figure, the input shaft of booster speed changer 99 is jackshaft 78
It is booster drive shaft 82 with output shaft, is configured at and enters the axle center 39C of bent axle 39 and the axle center 64C of booster rotary shaft 64
On the imaginary line V of joining line or near it.Booster drive shaft 82 is configured at than jackshaft 78 closer to booster 62
Position.
Thus, booster is entered to the power carrier i.e. chain 102 of joining line with drive shaft 82 and booster rotary shaft 64
Shorten.In addition, constituting the gear shift drum 108 and gearshift drive member 110 of speed increaser speed changer 99, booster is configured at
Input and output shaft with speed changer 99 be the top of jackshaft 78 and booster drive shaft 82 and be chain 102 top.
Thus, the distance between gear shift drum 108 and booster drive shaft 82 shorten, and selector fork 106 is shorter.
Fig. 5 gearshift drive member 110 for example makes selector fork 106 be roused along gear shift according to engine E rotating speed
The axial movement of wheel 108, and the 3rd and the 4th change-speed gearing 96,98 for making it select to be suitable for rotating speed respectively.Specifically,
In engine E low rotary area, gearshift ring 105 and the claw of the 3rd change-speed gearing 96 link, and improve the speedup of booster 62
Than and as the first gear ratio.Thus, it is set as, makes boost pressure, the i.e. increase of supercharging air quantity, make the engine torque under low speed
Increase.Under first gear ratio, the rotary power of bent axle 39 is via first stud gear 92 and the court of the 3rd change-speed gearing 96
The booster drive shaft 82 of booster 62 is transmitted (the first power transfer path).
On the other hand, in engine E high rotary area, gearshift ring 105 and the claw of the 4th change-speed gearing 98 link, drop
The speed increasing ratio of low blower 62 and as the second gear ratio.Thus, it is set as, prevents supercharging air quantity from becoming too much, obtains appropriate
Engine torque and stable rotation.Under second gear ratio, the rotary power of bent axle 39 is via second stud gear
94 and the 4th the booster drive shaft 82 of change-speed gearing 98 towards booster 62 transmit (the second power transfer path).
That is, in the second power transfer path, not via what is be made up of the change-speed gearing 96 of first stud gear 92 and the 3rd
Gear over the ground transmits the rotation of drive gear 84 towards sprocket wheel 100, chain 102.In this way, booster with 99 pairs of speed changer with first
Gear ratio transmits the first power transfer path of power and transmits power with second gear ratio different from the first gear ratio
Second power transfer path is selected.In the case where that need not be pressurized, each change-speed gearing 96,98 and gearshift ring are released
105 link.
Fig. 9 is the horizontal sectional view of booster 62.As shown in the drawing, the force feed portion 61 of booster 62 is made up of centrifugal pump,
The centrifugal force produced by the rotation due to impeller 114, is arranged towards radial outside assigning pressure from the air inlet being axially taken into
Go out.The impeller 114 in force feed portion 61 is fixed with the one end 64a of booster rotary shaft 64.In the above-mentioned defeated of above-mentioned speedup portion 63
Enter the one end 65a (on the left of overall width direction) of axle 65, booster is linked with via as the epicyclic gearing 112 in speedup portion 63
The other end 64b of rotary shaft 64.Speedup portion 63 is used to be that booster rotary shaft 64 assigns power to the rotary shaft of impeller 114,
Make inputted revolving force speedup and exported towards impeller 114.Hereinafter, a side of booster 62 is referred to as on the left of overall width direction,
Another side is referred to as on the right side of overall width direction.
Above-mentioned booster shell 67 has：The housing section for rotatably supporting booster rotary shaft 64 via bearing 121
116；And the housing department 124 of covering impeller 114.Housing department 124 is installed on shell using housing fastening part material 122 as bolt
First flange 116a of one side in body portion 116.Second flange 116b of the another side of housing section 116 passes through shell fastening part
Material 118 is fixed on the casing ledge 67a of booster shell 67.That is, bearing 121 constitutes the support of booster rotary shaft 64.
Covered in this way, booster rotary shaft 64 and its support are bearing 121 by housing section 116, impeller 114 is by shell
Portion 124 is covered.Above-mentioned suction inlet 66 and above-mentioned outlet 68 are formed with housing department 124.
Input shaft 65 is made up of quill shaft, and a part for booster shell 67 is rotatably freely supported on i.e. via bearing 123
Speedup portion incorporating section 75.Spline tooth is formed with the other end 65b of input shaft 65 outer peripheral face, in the outer peripheral face upper spline
It is chimeric to have one-way clutch 128.Sprocket wheel 130 is linked with input shaft 65 via the one-way clutch 128.In the tooth of sprocket wheel 130
132 restockings are taken turns provided with above-mentioned chain 102, pass the rotation of booster drive shaft 82 (Fig. 5) towards input shaft 65 via the chain 102
Pass.
Internal thread part is formed with the other end 65b of input shaft 65 inner peripheral surface, spiral shell is screwed with the internal thread
Bolt 134.One-way clutch 128 is assemblied in the other end 65b by the head of the bolt 134, across packing ring 136.This is unidirectional
Clutch 128, sprocket wheel 130 and bolt 134 are accommodated in chain wheel cover 129.Chain wheel cover 129 and the other end of speedup portion incorporating section 75
Connection.It is formed with the other end of chain wheel cover 129 towards the opening 135 on the outside of vehicle body.The opening 135 is blocked by lid 137.
Sprocket wheel 100,130 shown in Fig. 5 is respectively arranged at the right-hand end of booster drive shaft 82 and input shaft 65.At this
(left side) is each configured with speed changer 99 and speedup portion 63 on the inside of the overall width direction of sprocket wheel 100,130.When the rotation of input shaft 65
When turning to become faster than sprocket wheel 130, Fig. 9 one-way clutch 128 dallies, the connection of cut-out input shaft 65 and sprocket wheel 130.Due to warp
Input shaft 65 is connected with sprocket wheel 130 by this one-way clutch 128, therefore, it is possible to reduce the rotation produced due to engine E
Transformation dynamicly rotates input shaft 65.
As described above, epicyclic gearing 112 is configured between input shaft 65 and booster rotary shaft 64, and it is supported on increasing
Depressor shell 67.External tooth 138 is formed with the other end 64b of booster rotary shaft 64, is arranged in the circumferential direction on the external tooth 138
Ground gear is linked with multiple planetary gears 140.That is, the external tooth 138 of booster rotary shaft 64 as epicyclic gearing 112 too
Positive gear works.Also, internal gear (ring gear) 142 gear of the planetary gear 140 in radial outside Yu big footpath links.Planet tooth
Wheel 140 is rotatably freely supported on planet carrier shaft 144 by the bearing 143 of the other end for being assemblied in housing section 116.
Planet carrier shaft 144 has fixed part material 146, and the fixed part material 146 is fixed on housing section 116 by bolt 145.
That is, planet carrier shaft 144 is fixed.The one end of input shaft 65 is provided with input gear 147, the input gear 147 and internal tooth
Take turns the link of 142 gears.In this way, the gear in the way of being rotated with input shaft 65 towards identical direction of rotation of internal gear 142 is connected, planet
Frame axle 144 is fixed and planetary gear 140 rotates with internal gear 142 towards identical direction of rotation.Central gear (external gear 138) shape
Cheng Yu rotates as the booster rotary shaft 64 of output shaft towards the direction of rotation opposite with planetary gear 140.That is, planetary gear
Rotation of the device 112 to input shaft 65 carries out speedup and is transferred to booster rotary shaft with the direction of rotation opposite with input shaft 65
64。
When engine E rotates, the bent axle 39 shown in Fig. 5 rotates, and jackshaft 78 passes through drive gear 84 and crankshaft toothed wheel
Engagement between 80 and linkedly rotated with bent axle 39.When jackshaft 78 rotates, the booster drive shaft via speed change gear
82 rotations.When booster drive shaft 82 rotates, via chain 102, input shaft 65 rotates.Also, via epicyclic gearing
112 and booster rotary shaft 64 rotates so that booster 62 is started.
When automotive bicycle is travelled, air taking mouth 38 shown in traveling wind from Fig. 1 by punching press pipe unit 51, by
After air cleaner 55 is purified, booster 62 is imported by sucking pipe portion 53.The traveling wind of booster 62 is imported into by being pressurized
Device 62 pressurizes, and imports engine E via inlet plenum 74 and tb 76.By this punching press with being based on booster 62
Pressurization Overlay, can towards engine E supply high pressure air inlet.But it is also possible to the pressurization of punching press is not based on,
Air taking mouth can also be arranged at beyond vehicle front.
In the above-described configuration, as shown in figure 4, booster 62 and booster with speed changer 99 in the side orthogonal with overall width direction
To, be for example arranged on fore-and-aft direction, above-below direction.Thus, with booster 62 and booster with speed changer 99 in overall width
Situation about being arranged on direction is compared, and can suppress overall width direction size.By so suppressing overall width direction size, thus
The suction inlet 66 of Fig. 2 booster 62 and the design freedom of the overall width direction position of outlet 68 are improved.Thus, in suction
Space is formed around mouth 66, air inlet pipe 70 is easily configured.
Booster 62 has the force feed portion 61 and speedup portion 63 being mutually arranged on overall width direction, booster 62 itself
Overall width direction become large-sized.But, as shown in figure 4, booster with speed changer 99 relative to booster 62 with overall width direction
Arrange, stagger on fore-and-aft direction and above-below direction on orthogonal orthogonal direction, therefore, it is possible to suppressing booster 62 and
The overall overall width direction size that booster speed changer 99 is combined.
As shown in Fig. 2 the multi-cylinder arranged side by side that engine E is the four cylinder four-stroke that each cylinder is arranged on overall width direction starts
Machine, the speedup portion 63 of booster 62 than overall width direction center C towards a side side in overall width direction be that the right side offsets to the side configuration.Thus,
Compared with booster 62 and booster are with the situation that speed changer 99 is arranged on overall width direction, easily by the outlet of booster 62
68 are configured at overall width direction central portion.By configuring outlet 68 near central portion, thus easily equably enter towards each cylinder
Traveling gas, intake efficiency is improved.
Also, configure booster 62, booster 62 and gas in the longitudinal direction with the rear of speed changer 99 in booster
Inlet plenum 74 is configured between cylinder body 42.In this way, the rear by the way that booster 62 to be configured to booster speed changer 99, thus
Fore-and-aft direction between the outlet 68 of cylinder block 42 and booster 62 becomes large-sized.Thereby, it is possible to increase before inlet plenum 74
Rear is to size, as a result, can suppress the size of above-below direction and be able to ensure that the capacity of inlet plenum 74.
As shown in figure 8, being configured with increasing in the vicinity for the imaginary line V that bent axle 39 and booster rotary shaft 64 are entered into joining line
Input shaft 78, the output shaft 82 of depressor speed changer 99, therefore, it is possible to shorten booster rotary shaft 64 and booster speed changer 99
The chain 102 that is attached of output shaft 82.
As shown in Fig. 2 the suction inlet 66 of booster 62 is configured at from engine E side towards overall width direction offset inboard
Position, air inlet pipe 70 is connected to the suction inlet 66 on the outside of overall width direction.As shown in figure 4, by by booster 62 and booster
It is arranged with speed changer 99 on fore-and-aft direction, above-below direction, thus overall width direction size diminishes.Thus, easily by Fig. 2
Suction inlet 66 be configured on the inside of engine.By the way that suction inlet 66 is configured on the inside of engine, thus, it is possible to increase suction inlet
Neighbouring cross sectional shape, radius of curvature of air inlet pipe 70 etc., so as to suppress intake efficiency reduction.
As shown in figure 5, claw 96a, 98a the 3rd and the 4th change-speed gearing 96,98 are formed with, by positioned at close to gear shift
The booster drive shaft (output shaft) 82 of the position of drum 108 is supported.Thereby, it is possible to shorten gear shift drum 108 and claw 96a,
The distance between 98a, so as to shorten selector fork 106.
In addition, with the input shaft of speed changer 99 being on jackshaft 78, to arrange and be fixed with overall width direction in booster
Motivation gear 86.In this way, by the way that booster is used for the input shaft of speed changer 99 to fix other gears, thus, it is possible to cut down
Number of components, and realize space saving.
Also, the input shaft 78 of booster speed changer 99, first end 78a, 82a of output shaft 82 are by retainer 43
Hold, the second end 78b, 82b are supported by the bent axle box main body 41 of crankcase 40.Thus, with supporting two ends by crankcase 40
Situation is compared, and the input shaft 78 of booster speed changer 99, output shaft 82 easily are installed on into crankcase 40.
Specifically, input shaft 78, output shaft 82 is entered in bent axle box main body 41, support the second end 78b, 82b
In second bearing portion 41a, 41b of bent axle box main body 41, retainer 43 is installed on bent axle box main body 41, make first end 78a,
82a is supported on first axle bearing portion 43a, 43b of retainer 43.Or, first end 78a, 82a can be made to be supported on retainer
In the state of 43 first axle bearing portion 43a, 43b, the second end 78b, 82b is set to be supported on the second bearing portion of bent axle box main body 41
41a, 41b, bent axle box main body 41 is installed on by retainer 43.Thus, even if input shaft 78 in booster speed changer 99, defeated
In the case of rotary body i.e. gear, the sprocket wheel of diameter etc. of diameter more than axis body are provided with shaft 82, also can easily by
Input shaft 78, the output shaft 82 of booster speed changer 99 are installed on crankcase 40.
In addition, protuberance 59 is provided with output shaft 82 of the booster with speed changer 99, it is fixed on the protuberance 59
There is sprocket wheel 100, and be provided with the chain 102 for transmitting the rotation of the sprocket wheel 100 towards booster 62.Thus, by retainer 43
It is installed in the state of crankcase 40, protuberance 59 is that right side is exposed towards the side side of overall width direction one, so as to easily connect chain
102.Also, chain 102 is used as power carrier, therefore is not only able to the scale error of absorption axiss in the heart, and can
The adjustment of gear ratio is easily carried out by changing the shape of sprocket wheel 100.
Pitch wheel pair is supported with respectively with the input shaft 78 of speed changer 99, output shaft 82 in booster, because
Input shaft 78, output shaft 82 can be assembled in crankcase 40 by this in the state of gear mesh is engaged, and assembleability is further carried
It is high.
In addition, booster with the output shaft of speed changer 99 be in booster drive shaft 82 be supported with gearshift ring 105 and
It is formed with claw 96a, 98a the 3rd and the 4th change-speed gearing 96,98.Thereby, it is possible to be assembled in booster drive shaft 82
Gearshift ring the 105, the 3rd and the 4th change-speed gearing 96,98, can be in the state for engaging multiple gear mesh, claw 96a, 98a
It is lower that booster speed changer 99 is assembled in crankcase 40.Thus, assembleability is improved.
As shown in fig. 7, one end of the traveling with the traveling overall width direction of reducing gear input shaft 15 of reducing gear 21
15a, is formed from the 3rd bearing portion 43c supporting of retainer 43, the other end 15b by crankcase 40 bent axle box main body 41
Fourth bearing portion 41c is supported.Thus, retainer 43 and speed changer retainer are common, can reduce number of components.
As shown in figure 5, starter gear 86 is arranged with counter gear 84 on overall width direction on jackshaft 78.By
This, without setting special rotary shaft to starter gear 86, can cut down number of components.As shown in fig. 6, booster 62 is configured
In being used for, the jackshaft 78 that pony axle works is more rearward, and the starter motor 90 engaged with starter gear 86 is configured at
It is more closer to the front than booster 62.Match somebody with somebody in clearance spaces thereby, it is possible to the fore-and-aft direction between booster 62 and jackshaft 78
Put starter motor 90.As a result, it is possible to suppress becoming large-sized for the overall width direction of engine.
As shown in figure 5, starter gear 86 is configured at than counter gear 84 more by (left side) on the inside of overall width direction.Thus,
When carrying out the dismounting of booster 62 in (right side) access on the outside of overall width direction, starter gear 86, which will not turn into, to be hindered, and
Booster 62 can easily be dismounted.
As shown in Fig. 2 booster 62 is configured at the top at the rear portion of crankcase 40, booster 62 in the longitudinal direction
Inlet plenum 74 is configured between outlet 68 and engine E air inlet 47 (Fig. 1).By the way that booster 62 is configured at into crankcase
The top at 40 rear portion, thus the fore-and-aft direction between the outlet 68 of booster 62 and engine E air inlet 47 (Fig. 1) away from
From elongated.As a result, it is possible to increase the fore-and-aft direction size of inlet plenum 74, can not the above-below direction size for increasing inlet plenum 74
Increase chamber capacity.In addition, the above-below direction size by suppressing inlet plenum 74, is easily configured starter motor 90 etc..
Figure 10 represents the other examples of booster speed changer 99.As shown in the drawing, in this example embodiment, with Fig. 5 implementation
Mode is different, and the drive gear 84A and second stud gear 94A engaged with the crankshaft toothed wheel 80 of bent axle 39 is integrally formed, and
Rotate against and be supported on jackshaft 78A freely.In addition, on the outside of second stud gear 94A overall width direction, the first of path
Change-speed gearing 92A is rotated against is supported on jackshaft 78A freely.That is, the drive gear 84A for being supported on jackshaft 78A is constituted
It is enter to the input unit of the power from bent axle 39.
Gearshift is configured between the change-speed gearing 94A of first stud gear 92A and second on jackshaft 78A
104A.The gearshift ring 105A for constituting a gearshift 104A part is chimeric with jackshaft 78A splines, thus relative to jackshaft
78A can not be rotated against but is axially moveable freely.
Selector fork (not shown) is axially moveable, makes the connecting hole 105Aa for being arranged at gearshift ring 105A with being arranged at
First and a second stud gear 92A, 94A claw 92Aa, 94Aa side optionally engage.Thus, gearshift ring 105A
Optionally the side with first and second stud gear 92A, 94A can not engage with the relative rotation.
Jackshaft 78A has protuberance 59A, in the state of retainer 43 is installed on bent axle box main body 41, the protuberance
59A is protruded from retainer 43 towards right side.Sprocket wheel 100 is fixed with by bolt 101 on protuberance 59A.Engage on sprocket wheel 100
There is the chain 102 that the power from bent axle 39 is transmitted towards booster 62 (Fig. 5).That is, be supported on jackshaft 78A sprocket wheel 100 with
And chain 102 constitutes the output section that the power that will be inputted from bent axle 39 is exported towards booster 62 (Fig. 5).
The big footpath engaged respectively with first and second stud gear 92A, 94A is provided with booster drive shaft 82A
The 3rd change-speed gearing 96A and path the 4th change-speed gearing 98A.First stud gear 92A and the 3rd change-speed gearing 96A structures
Into an intermeshing gear mesh.Second stud gear 94A and the 4th change-speed gearing 98A constitutes another intermeshing tooth
Wheel pair.3rd and the 4th change-speed gearing 96A, 98A is integrally formed in booster drive shaft 82, and is formed as relative to supercharging
Device drive shaft 82 can not be rotated against.Other constructions are identical with Fig. 5 example.
In the first power transfer path of the example, gearshift ring 105A links (first with first stud gear 92A claws
Gear ratio), the rotary power of bent axle 39 is inputted via crankshaft toothed wheel 80 from drive gear 84A.Rotary power is via the second speed change
The chain of gear 94A, the 4th change-speed gearing 98A, the 3rd change-speed gearing 96A and first stud gear 92A towards jackshaft 78A
102 transmission.That is, in the first power transfer path, via two gear mesh by drive gear 84A rotation towards sprocket wheel 100, chain
Bar 102 is transmitted.
On the other hand, in the second power transfer path, gearshift ring 105A and second stud gear 94A claws link (the
Two gear ratio), the rotary power of bent axle 39 is inputted via crankshaft toothed wheel 80 from drive gear 84A.Rotary power becomes via second
Fast gear 94A towards jackshaft 78A chain 102 are transmitted.That is, in the second power transfer path, it will be driven over the ground not via gear
Moving gear 84A rotation is transmitted towards sprocket wheel 100, chain 102.
The present invention is not limited to the embodiment of the above, can carry out without departing from the spirit and scope of the invention each
Plant additional, change or delete.For example, in the above-described embodiment, the input shaft 78 of the booster speed changer 99 shown in Fig. 4,
Output shaft 82, the input shaft 15 of traveling decelerator, output shaft 19 are supported by common retainer 43, but it is also possible to which split is formed
The retainer and traveling of the input and output shaft of booster speed changer are with the retainer of the input and output shaft of decelerator.This
Outside, the Straddle riding type vehicle that booster installation constitution of the invention can also apply to beyond automotive bicycle, can also apply to
Tricycle, carriage.Also, it can also apply to be equipped on beyond the engine of vehicle.In addition, in the above-described embodiment,
The automotive bicycle of forks type front is illustrated, but is not limited to this, for example can also apply to wheel hub manipulation type from
Dynamic two wheeler.Thus, this composition is also included within the scope of the present invention.
The explanation of symbol
39 bent axles (engine rotary shaft)
40 crankcases
42 cylinder block
47 air inlets
62 boosters
64 booster rotary shafts
The outlet of 68 boosters
74 inlet plenums
78 jackshafts (pony axle)
82 booster drive shafts (rotary shaft of output gear)
84 counter gears (idler gear)
86 starter gears (other gears)
90 starter motors (part engaged with other gears)
96 the 3rd change-speed gearings (output gear)
98 the 4th change-speed gearings (output gear)
99 booster speed changers
102 chains (carrier)
E engines
Claims (9)
1. a kind of engine with booster, is equipped on vehicle, it is provided with towards the axis of rotation having along the extension of overall width direction
Engine force feed air inlet booster, it possesses：
Crankcase, supporting engine rotary shaft；
Cylinder block, is configured at the top of above-mentioned crankcase；
Idler gear, the power of above-mentioned engine rotary shaft is transmitted towards above-mentioned booster；And
Pony axle, by the supporting of above-mentioned idler gear can to rotate, be configured at it is more more rearward than above-mentioned engine rotary shaft, it is and upper
Engine rotary shaft is stated to extend parallel to,
Above-mentioned pressure booster distribution is placed in the rear of the top of above-mentioned crankcase and above-mentioned cylinder block, passes through above-mentioned engine rotary shaft
Power drives,
Be arranged other gears having beyond above-mentioned idler gear on above-mentioned pony axle on overall width direction,
Above-mentioned pressure booster distribution be placed in it is more more rearward than above-mentioned pony axle,
In the part that is configured with above-mentioned other gears engages more closer to the front than above-mentioned booster,
Rotary body is provided with more being leaned on the outside of overall width direction than above-mentioned idler gear, the rotary body passes through the power of above-mentioned engine
Transmitted by above-mentioned idler gear towards above-mentioned booster,
Other above-mentioned gears are configured more being leaned on the inside of overall width direction than above-mentioned rotary body.
2. the engine as claimed in claim 1 with booster, wherein,
Other above-mentioned gear arrangements in than above-mentioned idler gear more by the inside of overall width direction,
Than above-mentioned idler gear more by the outside of overall width direction, being provided with the dynamic of above-mentioned engine rotary shaft on above-mentioned pony axle
The gear that power is transmitted towards above-mentioned booster.
3. the engine as claimed in claim 1 or 2 with booster, wherein,
Other above-mentioned gears are the gear of balancer or the gear of starter.
4. the engine as claimed in claim 1 or 2 with booster, wherein,
Booster speed changer is also equipped with, the booster carries out speed change with speed changer and court to the power of above-mentioned engine rotary shaft
Above-mentioned booster transmission,
Above-mentioned booster has the output gear that the rotation to above-mentioned idler gear carries out speed change and exported, above-mentioned sky with speed changer
Rotating disk and the rotary shaft of above-mentioned output gear are extended parallel to above-mentioned engine rotary shaft,
The rotary shaft of the output gear of the rotary shaft of above-mentioned booster and above-mentioned booster speed changer with above-mentioned overall width direction
It is arranged on orthogonal above-below direction,
The above-mentioned engine with booster is also equipped with carrier, and the carrier is from the output gear of above-mentioned booster speed changer
Rotary shaft transmits power towards the rotary shaft of above-mentioned booster.
5. the engine as claimed in claim 1 or 2 with booster, wherein,
Above-mentioned pressure booster distribution is placed in the top at the rear portion of above-mentioned crankcase,
Between the outlet of above-mentioned booster in the longitudinal direction and the air inlet of above-mentioned engine, in the upper of above-mentioned booster
Side is configured with inlet plenum,
The outlet of above-mentioned booster is upwardly opening.
6. the engine as claimed in claim 1 or 2 with booster, wherein,
Above-mentioned pony axle is rotatably freely supported on above-mentioned engine,
Above-mentioned idler gear is arranged to rotate integrally with above-mentioned pony axle.
7. the engine as claimed in claim 1 or 2 with booster, wherein,
The force feed portion of above-mentioned booster is made up of centrifugal pump,
In the overall width of the suction inlet of above-mentioned booster side in opposite direction, it is provided with the power of above-mentioned engine rotary shaft to above-mentioned
The gear of booster transmission,
The suction inlet of above-mentioned booster more leans on overall width to the side opening of overall width direction one, configuration in the one side than above-mentioned engine
On the inside of direction,
The air in the front of above-mentioned engine is imported to above-mentioned overall width of the air inlet pipe configuration in above-mentioned engine of above-mentioned booster
The side of direction one, thereafter end be connected with above-mentioned suction inlet.
8. the engine as claimed in claim 2 with booster, wherein,
Balance shaft is configured at the top of above-mentioned pony axle and the rear of above-mentioned engine rotary shaft,
The balance gear engaged with above-mentioned idler gear is provided with above-mentioned balance shaft.
9. the engine as claimed in claim 7 with booster, wherein,
Balance shaft is configured at the top of above-mentioned pony axle and the rear of above-mentioned engine rotary shaft,
The balance gear engaged with above-mentioned idler gear is provided with above-mentioned balance shaft.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-201407 | 2012-09-13 | ||
| JP2012201407 | 2012-09-13 | ||
| PCT/JP2013/071850 WO2014041947A1 (en) | 2012-09-13 | 2013-08-13 | Supercharger equipped engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104619967A CN104619967A (en) | 2015-05-13 |
| CN104619967B true CN104619967B (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201380046307.9A Active CN104619967B (en) | 2012-09-13 | 2013-08-13 | Engine with booster |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9982592B2 (en) |
| EP (1) | EP2899383B1 (en) |
| JP (1) | JP5964975B2 (en) |
| CN (1) | CN104619967B (en) |
| WO (1) | WO2014041947A1 (en) |
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| JP5944506B2 (en) * | 2012-07-11 | 2016-07-05 | 川崎重工業株式会社 | Lubrication system for vehicle engine |
| EP2873833B1 (en) * | 2012-07-11 | 2018-08-29 | Kawasaki Jukogyo Kabushiki Kaisha | Engine with supercharger |
| WO2014041946A1 (en) * | 2012-09-13 | 2014-03-20 | 川崎重工業株式会社 | Engine with supercharger |
| JP6392655B2 (en) * | 2014-12-11 | 2018-09-19 | 川崎重工業株式会社 | Turbocharger impeller |
| JP6433279B2 (en) * | 2014-12-11 | 2018-12-05 | 川崎重工業株式会社 | Turbocharger impeller |
| WO2016093072A1 (en) * | 2014-12-11 | 2016-06-16 | 川崎重工業株式会社 | Impeller for supercharger |
| US10086903B2 (en) * | 2015-10-27 | 2018-10-02 | Suzuki Motor Corporation | Saddle-ridden vehicle |
| JP2017125432A (en) * | 2016-01-13 | 2017-07-20 | ヤマハ発動機株式会社 | Motorcycle |
| US10378491B2 (en) | 2016-03-08 | 2019-08-13 | K&N Engineering, Inc. | Aircharger air intake system and method |
| JP6842342B2 (en) * | 2017-03-30 | 2021-03-17 | 本田技研工業株式会社 | Internal combustion engine drive structure |
| JP2019214979A (en) * | 2018-06-13 | 2019-12-19 | スズキ株式会社 | Internal combustion engine |
| JP2020176704A (en) * | 2019-04-22 | 2020-10-29 | ヤマハ発動機株式会社 | Gear change device |
| CA3141489A1 (en) * | 2019-06-06 | 2020-12-10 | Magna International Inc. | Charged serial hybrid combustion engine |
| CN113090384A (en) * | 2020-11-20 | 2021-07-09 | 浙江春风动力股份有限公司 | Motorcycle and water-cooled engine thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5964975B2 (en) | 2016-08-03 |
| EP2899383A4 (en) | 2016-07-27 |
| WO2014041947A1 (en) | 2014-03-20 |
| US20150184585A1 (en) | 2015-07-02 |
| JPWO2014041947A1 (en) | 2016-08-18 |
| EP2899383B1 (en) | 2019-02-20 |
| US9982592B2 (en) | 2018-05-29 |
| CN104619967A (en) | 2015-05-13 |
| EP2899383A1 (en) | 2015-07-29 |
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